Preview snippets can come from preheaders or the first body text. Learn how different clients generate snippets and how to control them.
A message preview snippet is the text many inboxes show under the subject line. It may pull from a dedicated preheader or from the first visible text in the body.
Because clients differ, snippet control requires both a deliberate preheader and a clean opening line. Removing boilerplate at the top prevents the wrong text from showing.